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Diffstat (limited to 'usr/src/psm/stand/boot/sparc/common/bootprop.c')
-rw-r--r--usr/src/psm/stand/boot/sparc/common/bootprop.c263
1 files changed, 263 insertions, 0 deletions
diff --git a/usr/src/psm/stand/boot/sparc/common/bootprop.c b/usr/src/psm/stand/boot/sparc/common/bootprop.c
new file mode 100644
index 0000000000..dcc69fa593
--- /dev/null
+++ b/usr/src/psm/stand/boot/sparc/common/bootprop.c
@@ -0,0 +1,263 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#include <sys/types.h>
+#include <sys/promif.h>
+#include <sys/bootconf.h>
+#include <sys/salib.h>
+#include <sys/boot.h>
+#include "boot_plat.h"
+
+char *v2path, *kernname, *systype;
+char *my_own_name = "boot";
+char v2args_buf[V2ARGS_BUF_SZ];
+char *v2args = v2args_buf;
+char *mfg_name;
+char *impl_arch_name;
+char *bootp_response;
+char *module_path;
+int cache_state;
+uint64_t memlistextent; /* replacement for old member of bootops */
+
+/* These are the various memory lists */
+struct memlist *pfreelistp, /* physmem available */
+ *vfreelistp, /* virtmem available */
+ *pinstalledp; /* physmem installed */
+
+char *boot_message;
+
+char *netdev_path;
+
+/*
+ * Support new boot properties "boot-start" and "boot-end" for
+ * Freeze/Thaw project.
+ */
+caddr_t start_addr, end_addr;
+
+#define BOOT_BADPROP -1
+#define BOOT_SUCCESS 0
+#define BOOT_FAILURE -1
+#define NIL 0
+
+#define strequal(p, q) (strcmp((p), (q)) == 0)
+
+
+/*
+ * This routine is used by stand/lib/$PROC/libnfs.a in case it comes up with a
+ * default filename, and by bootflags() if a default filename is specified in
+ * the boot arguments.
+ */
+void
+set_default_filename(char *filename)
+{
+ kernname = filename;
+}
+
+
+static const struct bplist {
+ char *name;
+ void *val;
+ uint_t size;
+} bprop_tab[] = {
+ "boot-args", &v2args, 0,
+ "boot-path", &v2path, 0,
+ "fstype", &systype, 0,
+ "whoami", &my_own_name, 0,
+ "mfg-name", &mfg_name, 0,
+ "impl-arch-name", &impl_arch_name, 0,
+ "module-path", &module_path, 0,
+ "virt-avail", &vfreelistp, 0,
+ "phys-avail", &pfreelistp, 0,
+ "phys-installed", &pinstalledp, 0,
+ "default-name", &kernname, 0,
+ "extent", &memlistextent, sizeof (memlistextent),
+ "vac", &vac, sizeof (vac),
+ "cache-on?", &cache_state, sizeof (int),
+ "memory-update", 0, 0,
+ "boot-start", &start_addr, sizeof (start_addr),
+ "boot-end", &scratchmemp, sizeof (scratchmemp),
+ "boot-message", &boot_message, 0,
+ "bootp-response", &bootp_response, 0,
+ "netdev-path", &netdev_path, 0,
+ 0, 0, 0
+};
+
+/*
+ * These routines implement the boot getprop interface.
+ * They are designed to mimic the corresponding devr_{getprop,getproplen}
+ * functions.
+ * The assumptions is that the basic property is an unsigned int. Other
+ * types (including lists) are special cases.
+ */
+
+/*ARGSUSED*/
+int
+bgetproplen(struct bootops *bop, char *name)
+{
+ int size = 0;
+ struct bplist *p;
+ struct memlist *ml;
+
+ /* this prop has side effects only. No length. */
+ if (strequal(name, "memory-update"))
+ return (BOOT_SUCCESS);
+
+ for (p = (struct bplist *)bprop_tab; p->name != (char *)0; p++) {
+
+ /* got a linked list? */
+ if ((strequal(name, "virt-avail") && strequal(name, p->name)) ||
+ (strequal(name, "phys-avail") && strequal(name, p->name)) ||
+ (strequal(name, "phys-installed") &&
+ strequal(name, p->name))) {
+
+ for (ml = *((struct memlist **)p->val);
+ ml != NIL;
+ ml = ml->next)
+
+ /*
+ * subtract out the ptrs for our local
+ * linked list. The application will
+ * only see an array.
+ */
+ size += (int)(sizeof (struct memlist) -
+ 2*sizeof (struct memlist *));
+ return (size);
+
+ } else if (strequal(name, p->name)) {
+
+ /* if we already know the size, return it */
+ if (p->size != 0)
+ return (p->size);
+ else {
+ if (*((char **)p->val) == NIL)
+ return (0); /* NULL is allowed */
+
+ /* don't forget the null termination */
+ return (strlen(*((char **)p->val)) + 1);
+ }
+ }
+ }
+ printf("Property (%s) not supported by %s\n", name, my_own_name);
+ return (BOOT_BADPROP);
+}
+
+/*ARGSUSED*/
+int
+bgetprop(struct bootops *bop, char *name, void *buf)
+{
+ struct bplist *p;
+ struct memlist *ml;
+
+ if (strequal(name, "memory-update")) {
+/*
+ * dprintf("bgetprop: updating memlists.\n");
+ */
+ update_memlist("virtual-memory", "available", &vfreelistp);
+ update_memlist("memory", "available", &pfreelistp);
+ return (BOOT_SUCCESS);
+ }
+
+ if (strequal(name, "boot-start")) {
+ start_addr = (caddr_t)_start;
+ bcopy((char *)(&start_addr), buf, sizeof (start_addr));
+ return (BOOT_SUCCESS);
+ }
+
+ if (strequal(name, "boot-end")) {
+ /*
+ * The true end of boot should be scratchmemp,
+ * boot gets its dynamic memory from the scratchmem
+ * which is the first 4M of the physical memory,
+ * and they are mapped 1:1.
+ */
+ end_addr = scratchmemp;
+ bcopy((char *)(&end_addr), buf, sizeof (scratchmemp));
+ return (BOOT_SUCCESS);
+ }
+
+ for (p = (struct bplist *)bprop_tab; p->name != (char *)0; p++) {
+
+ /* gotta linked list? */
+ if ((strequal(name, "virt-avail") && strequal(name, p->name)) ||
+ (strequal(name, "phys-avail") && strequal(name, p->name)) ||
+ (strequal(name, "phys-installed") &&
+ strequal(name, p->name))) {
+
+ u_longlong_t *t = buf;
+
+ for (ml = *((struct memlist **)p->val);
+ ml != NIL;
+ ml = ml->next) {
+
+ /* copy out into an array */
+ *t++ = ml->address;
+ *t++ = ml->size;
+ }
+ return (BOOT_SUCCESS);
+ } else if (strequal(name, p->name)) {
+ if (p->size != 0) {
+ bcopy(p->val, buf, p->size);
+ } else {
+ (void) strcpy((char *)buf, *((char **)p->val));
+ }
+ return (BOOT_SUCCESS);
+ }
+ }
+ return (BOOT_FAILURE);
+}
+
+/*
+ * If the user wants the first property in the list, he passes in a
+ * null string. The routine will always return a ptr to the name of the
+ * next prop, except when there are no more props. In that case, it will
+ * return a null string.
+ */
+
+/*ARGSUSED*/
+char *
+bnextprop(struct bootops *bop, char *prev)
+{
+ struct bplist *p;
+
+ /* user wants the firstprop */
+ if (*prev == 0)
+ return (bprop_tab->name);
+
+ for (p = (struct bplist *)bprop_tab; p->name != (char *)0; p++) {
+
+ if (strequal(prev, p->name))
+ /*
+ * if prev is the last valid prop,
+ * we will return our terminator (0).
+ */
+ return ((++p)->name);
+
+
+ }
+ return ((char *)0);
+}